MESQUITE SOLAR 4 (1291)

MESQUITE SOLAR 4 is a 52.5 MW solar+battery interconnection project in Maricopa, Arizona with a current status of operational. It is proposed to connect at Hassayampa Common Bus 500 kV.

52.5 MWCapacity
OperationalStatus
SDGEMarket
Solar+BatteryTechnology

Project facts

Canonical nameMESQUITE SOLAR 4
Queue ID1291
Statusoperational
Source statusCOMPLETED
MarketSDGE
TechnologySolar+Battery
Capacity52.5 MW
StateArizona
CountyMaricopa
Point of interconnectionHassayampa Common Bus 500 kV
Requested (queue) date2016-05-02
Proposed in-service date
Operational date
Withdrawn date
Developer
Utility / transmission ownerSDGE

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-29new_projectoperationalhigh

Explore related data

Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: California ISO — public interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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